[PyTorch] Eliminate static default_extra_files_mobile from header import.h (#50832)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/50832
Please see the previous diff in this stack for the motivation to do so. This makes the same change but for the non-mobile codebase.
ghstack-source-id: 120184012
Test Plan: Sandcastle + Build
Reviewed By: raziel, iseeyuan
Differential Revision: D25979986
fbshipit-source-id: 7708f4f6a50cb16d7a23651e5655144d277d0a4f
